This circuit was found in a Texas Instruments documentation from the 1980s. The circuit monitors engine temperature by warning of engine warm-up and warning when the fan is on.
ROHM Semiconductor is featured in a new line of IR LEDs, Proximity Optical Sensors and Ambient...
Found in a documentation by Hugo Gernsback from 1960, this receiver uses germanium transistors of the time...
In the figure we have the way to connect several 555 to obtain sequential operation. The component...